outright (adv.)youdaoicibaDictYouDict[outright 词源字典]
c. 1300, "completely, entirely; openly, directly; at once, without hesitation," from out (adv.) + right (adj.1)). Meaning "all at once" is attested from c. 1600. As an adjective, "direct, downright," from 1530s.[outright etymology, outright origin, 英语词源]